planchet

詳細解釋：

planch.et

n.（名詞）
A flat disk of metal ready for stamping as a coin; a coin blank.
硬幣坯，金屬坯：打上戳記後用做硬幣的一種水平金屬圓片；硬幣坯
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.
樣品皿：用於存放放射性物質以測量其活性的小而淺的金屬容器

來源：
[Diminutive of] planch [flat plate, slab]
[] planch的小後綴 [平的碟子，厚板]
from Middle English plaunche [plank]
源自 中古英文 plaunche [厚板]
from Old French planche
源自 古法文 planche
from Late Latin planca
源自 後期拉丁語 planca
from feminine of Latin plancus [flat] * see pl3k-
源自 拉丁語 plancus的陰性詞 [平的] *參見 pl3k-